SSP-2 SSP-2 – 2″ Piezo Super Siren115 DB SPL (1W/1M) sound pressureVoltage: 6-12VDCHigh impact black ABS plastic housingEuropean high-low pitchMaximum current draw: 300mADimensions: 2″ (W) x 1-9/16″ (D) x 2″ (H)